Single, Twin, Triple or Four? | 1-2-3-4

Adding up the ultimate 650cc solution

By Alex Hearn, Photography by Kevin Wing

2008 Triumph Street Triple
Price: $7999

Milder cam timing for the Street Triple's 675cc Daytona-derived inline-triple motor equals mucho grunt, and trouble with front tire/asphalt interface in the first three gears. Six-speed gearbox is sweet, as is the induction honk from the airbox.

Essentially the same aluminum beam frame and swingarm as the Daytona, but with the swingarm pivot set 2mm lower. At 31.6 in. the Street Triple's perch is just under an inch nearer the ground, too. Kayaba shock is adjustable for spring preload only; the 41mm Kayaba upside-downies adjustable for nada.

Nissin four-pot calipers chomp down hard on the 308mm floating discs up front; a single-piston jobbie grips the rear 220mm disc. Braided hose-front and rear-is standard-fit, and very welcome.

The stock dual rear exhausts are cool and all, but buried in the Triumph accessories catalogue you'll find two delicious designs from Arrow: a pair of street-legal slip-ons ($999) and a 3-into-1 "low-boy" full system ($1199). For closed-circuit use only, of course.

It's all about the engine here. Trading away 18.5 of the Daytona's peak ponies for a more linear delivery, the naked 675 is faster than it feels on the street. And it still loves to rev, peaking after the Suzuki signs off.

Accommodations are essentially a 3/4-scale version of Triumph's Speed Triple. The bar is narrower and farther away than on the Versys, so you lean forward a bit more, and the seat is closer to the ground: compact, yet balanced.

Tech Spec
Engine type: l-c inline triple
Valve train: DOHC, 12v
Displacement: 675cc
Bore x stroke: 74.0 x 52.3mm
Compression: 12.6:1
Fuel system: Keihin EFI
Clutch: Wet, multi-plate
Transmission: 6-speed
Frame: Aluminum-alloy twin spar
Front suspension: 41mm Kayaba inverted fork
Rear suspension: Single Kayaba shock, adjustable for spring preload
Front brake: Dual Nissin two-piston calipers, 308mm discs
Rear brake: Nissin one-piston caliper, 220mm disc
Front tire: 120/70-ZR17 Dunlop Sportmax Qualifier
Rear tire: 180/55-ZR17 Dunlop Sportmax Qualifier
Rake/trail: 24.3/ 3.75 in.
Seat height: 31.6 in.
Wheelbase: 54.9 in.
Fuel capacity: 4.6 gal.
Weight (tank full/empty): 416/388 lbs.
Measured horsepower: 91.3 bhp @ 11,750 rpm
Measured torque: 44.4 lb.-ft. @ 8250 rpm
Fuel mileage (high/low/avg): 40/30/33
Colors: Black, white, green
Available: Now
Warranty: 24 months, unlimited mi.
Contact: Triumph Motorcycles America, Ltd.
385 Walt Sanders Memorial Dr., #100
Newnan, GA 30265

By Alex Hearn
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